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    Thread: Maruti Omni based Dune Buggy- to do or not to do?

    1. #1
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      Maruti Omni based Dune Buggy- to do or not to do?

      This project will take off in march depending on a lot of factors at home and work. Thought, i should discuss it here first. If someone gets inspired and starts before that, great!
      Idea is to have a light weight rear wheel drive open vehicle that is cheap to run and maintain. To be used mainly on nearby beaches and dirt tracks.
      Plan is to find a bashed up omni, chop off everything above the floor board, shift the ABC and the gearlever back wards and end up with a 2seater, the driver and and co driver sitting just in front of the rear wheels. Dont ask me how these things can be shifted back, i dont know, thats why this thread has been started. The height of the seats is planned to be as close to the floor board as possible.
      Please come up with all the pitfalls that you think i'm walking into.
      If the project works out, i'll re do it with a versa next, for its much more powerful engine, longer wheelbase and stronger chassis. But right now, lets stick to the omni!
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      Hhhmmm, the biggest issue for me would be the strength of the Omni chassis and its ability to take corners without flexing too much. So you might have to strengthen the chassis to start with.

      Next would be the godawful, leafsprings at the rear. And then the totally underpowered 37bhp engine that won't make any sort of cornering interesting.

      So even before you begin, you will have to think the following through.

      1. How much abuse can the chassis take?
      2. What can you do to the engine to make it more fun? Forget modding a 800 cc engine for more power. Either you live with it or put in a bigger engine.
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      Quote Originally Posted by [url=http://gearheads.in/post12851.html#p12851
      rippergeo » Mon Dec 28, 2009 11:42 am[/url]]This project will take off in march depending on a lot of factors at home and work. Thought, i should discuss it here first. If someone gets inspired and starts before that, great!

      the idea is fantastic..shud come relatively cheap. IIRC, KS motorsports made a dune buggy out of a skoda octy. anybody seen that?

      the monocoque is quite useless though for this project. you may have to go the tubular chassis way. the engine will be sufficient for you to just potter around. thats all. nothing more than that. it'll be more like the VW buggy.
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      First of all, what chassis are you guys talking about. The omni is a monocoque , so once you chop the top off.. You have nothing . nada...

      My thoughts would be to pick up a bashed up omni, can keep the steering gear, engine + gb + differential. Get a buggy chassis built with steel tubes and plonk this in..

      Hell, if you wanna go this path, do it with a 118 NE . as long as the wheelbase matches, you are kinda sorta ok legally.

      What say?
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      Too much power will make the wheels dig into the sand. I can live with the low power. I'm sure it'll be faster than a regular omni after the body shell is chopped off. It is not a track build, it is just an open buggy to drive on the beach. Cornering doesnt have to be razor sharp. The omni was picked, because it will need minimal mods and will be available dirt cheap.
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      my suggestion would be a locost 7 rwd esteem engine with gypsy gear box.

      the best manual would be a ron's champion book since every thing is given in detail.
      necessity is the mother of all invention.

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      Pawan- i'm lost! Can you tell me more about this locost 7? Where can i get it? Is this a kit car chassis you're talking about? I didnt know it was available in india. Whats the estimated budget for that project?
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      why not follow in enzo ferrari's footsteps and make one out of a fiat 1100
      RWD, and it actually has a chassis. Not too sure about the suitability of the engine
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      Just work on the differentials/gear ratios... Am sure you can get enuff grunt from the Omni mill to keep you happy on any dune!

      There is a person that I can put you on who is a guru with all these kinda things ; Except one problem - he is both far from you and from a beach He is based in Hyderabad and is a certified 'Modder' ( you havta see some of the things he has done to believe it!!)
      A closed mouth gathers no feet.

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      Quote Originally Posted by [url=http://gearheads.in/post12867.html#p12867
      rippergeo » Mon Dec 28, 2009 12:54 pm[/url]]Pawan- i'm lost! Can you tell me more about this locost 7? Where can i get it? Is this a kit car chassis you're talking about? I didnt know it was available in india. Whats the estimated budget for that project?
      this is how it turns out its a replica lotus 7


      the cost is pretty cheap it comes to around 1000-2000 usd but the book advertises it at £250.

      the problems that come up with it are:
      1. tig welder
      2.suspension parts (usually its used from older fords) but wishbones suspension joints are available for a nominal rate.
      3.registration
      4.raw material (chromoly tubing)

      the remaining parts like fuel tank steering rack can all be sourced from say a fiat padmini.

      there was one car done in bangalore like this using a swift gt engine.

      the kits are available in places like the uk.

      the books i am talking about is called ron champion "Build Your Own Sports Car for as Little as £250 and Race It!"
      Amazon.com: Build Your Own Sports Car f ... ion: Books

      and i another book i liked that went into detail in chassis design is "Racing and Sports Car Chassis Design"
      Amazon.com: Racing and Sports Car Chass ... tin: Books (the authors is one of the guys who was one of the founder of cosworth engines).


      the ron campion book has detailed blue prints to make the chassis.

      i have both these books in pdf formats and if you want a copy just let me know.
      necessity is the mother of all invention.

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